html,
body,
#root{
    width: 100%;
    height: 100%;
}
#App{
    width: 100%;
    height: 100%;
    display:flex;
    user-select: none;
    flex-direction: column;
}
.bottom{
    height:100%;
    display:flex;
    flex: 1;
    flex-direction: column;
}